#include "bits/stdc++.h"
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> veci;
typedef vector<string> vecs;
template<class T,class U> using Hash=unordered_map<T,U>;

#define REP(i, a, n) for(ll i = a; i < n; i++)
#define RREP(i, a, n) for(ll i = n-1; i >= 0; i--)
#define rep(i, n) REP(i, 0, n)
#define rrep(i, n) RREP(i, 0, n)
#define MD 1000000007

template<class T> T read(){T a;cin >> a;return a;}
template<class T> T read(T& a){cin >> a;}
template<class T> void rarr(T a, int n){for(int i = 0; i < n; i++) {cin >> a[i];}}
template<class T> void write(T a){cout << a << endl;}
template<class T> void writes(vector<T> a, char* c = " "){cout << a[0];for(int i = 1; i < a.size(); i++)cout << c << a[i];cout << endl;;}
void write(double a){cout << fixed << setprecision(12) << a << endl;}
template<class T> void warr(T a, int n, char* c = " "){cout << a[0];for(int i = 1; i < n; i++)cout << c << a[i];cout << endl;}
void split(string s, string delim, veci& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find(delim, pos);if(p == string::npos){result.push_back(atoi(s.substr(pos).data()));break;}else {result.push_back(atoi(s.substr(pos, p - pos).data()));}pos = p + delim.size();}}
void split(string s, string delim, vecs& result){result.clear();string::size_type pos = 0;while(pos != string::npos){string::size_type p = s.find(delim, pos);if(p == string::npos){result.push_back(s.substr(pos));break;}else {result.push_back(s.substr(pos, p - pos));}pos = p + delim.size();}}
ll gcd(ll a, ll b){while(true){ll k = a % b;if(k == 0)return b;a = b;b = k;}}
ll comb(ll n, ll m){ll p=1;m=min(m,n-m);for(ll i=1;i<=m;i++){p*=n-i+1;p/=i;}return p;}

int kado(int i,int j,int k){
    if(j<i&&j<k)
        return max(i,k);
    else if(j>i&&j>k)
        return j;
    return 0;
}

int main(void)
{
    int n,m;
    int e[3][800];
    cin>>n>>m;
    rep(i,m)rep(j,n)read(e[i][j]);
    double r=0;
    int res=0;
    const int P=n*(n-1)/2;
    rep(i,m){
        bool a[900]={0};
        bool b[900][900]={0};
        int s[900]={0};
        double p=0;
        rep(j,n)s[e[i][j]]=j;
        for(int j=n;j>=1;j--){
            int g=s[j];
            a[g]=true;
            rep(x,n){
                if(a[x])continue;
                REP(y,x+1,n){
                    if(a[y]||b[x][y])continue;
                    if(g<x&&g<y&&e[i][x]>e[i][y]){b[x][y]=true;continue;}
                    if(g>x&&g>y&&e[i][x]<e[i][y]){b[x][y]=true;continue;}
                    b[x][y]=true;
                    p+=j;
                }
            }
        }
        double t=p/P;
        if(t>r){
            r=t;
            res=i;
        }
    }
    write(res);
    return 0;
}